Union 3G110 5 Detainer Deadlock 73mm Satin (Chubb At Heart)
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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Description
Union 3G110 5 Detainer Deadlock 73mm Satin (Chubb At Heart)
When it comes to safeguarding your property, the hardware you choose defines the boundary between vulnerability and true peace of mind. The Union 3G110 5 Detainer Deadlock 73mm Satin (Chubb At Heart) represents a pinnacle of traditional engineering combined with modern security standards. Designed for those who refuse to compromise on safety, this mortice lock offers an exceptional level of resistance against forced entry attempts.
This robust deadlock is engineered for timber doors that are hinged on either the left or the right side. It provides a versatile solution for both residential front doors and high traffic commercial entrances. By utilising a sophisticated 5 detainer system, this model delivers a significantly higher number of key combinations than standard lever locks, making unauthorised access via picking or decoding exceptionally difficult.
Unrivalled Physical Security and Mechanical Integrity
At the core of this equipment lies a commitment to mechanical excellence. The physical forces at play during a security breach attempt are substantial, often involving high torque or intense impact. This lock is built to withstand such pressures through high quality construction materials.
- The deadbolt is crafted from solid brass which provides excellent corrosion resistance and long term durability.
- It features hardened steel rollers within the bolt mechanism to actively discourage sawing attempts by rotating when met with a saw blade.
- The entire case is finished in a silver powder coat to prevent oxidation and internal component wear over many years of service.
- The anti drill features are integrated directly into the housing to protect the sensitive internal detainer stack from mechanical intrusion.
The mechanical physics of this unit ensure that the bolt throw remains consistent and reliable. With a 14mm throw, the bolt provides a deep engagement with the striking plate, ensuring that even under lateral pressure, the door remains firmly secured within its frame. The design ensures that there is no unnecessary component flex, which is a common failure point in lower quality hardware.
Operational Workflow and User Experience
Operating this deadlock is a smooth and tactile experience. When you insert the key into the cylinder, the five detainers align precisely to allow the cam to rotate. This motion is engineered to be fluid, reducing the physical strain on your wrist and ensuring that the lock operates without jamming or resistance.
To lock the door, you simply turn the key in the required direction. You will feel a distinct, positive engagement as the bolt extends into the box strike. This provides the user with immediate sensory confirmation that the door is secured. The process is identical whether you are locking the door from the outside or unlocking it to depart, offering a consistent workflow that becomes second nature in daily use.
Because the unit is supplied with two keys, it is ready for immediate installation. The keys are designed to be robust, ensuring they do not bend or snap under standard operating pressure. The inclusion of matching escutcheons not only provides a clean, professional aesthetic but also protects the timber surface around the keyhole from scratches and wear over time.
Choosing premium hardware is an investment in the longevity of your property. By selecting this model, you ensure that your security infrastructure remains intact for decades rather than years, significantly reducing the total cost of ownership and the hassle of frequent maintenance.
Ergonomics, Safety, and Regulatory Compliance
In a commercial or professional environment, safety is non negotiable. This item is EN 1634-1 assessed, meaning it is suitable for use on 60 minute timber fire doors. In the event of an emergency, the reliability of your door hardware is vital. This lock is designed to function perfectly even after prolonged exposure to the heat conditions associated with fire testing.
The ergonomic design of the key and the smooth rotation of the detainer mechanism prevent operational fatigue. For environments where the lock is used dozens of times a day, this ease of use is critical for staff efficiency and user safety. By removing the frustration of sticky or difficult locks, you ensure that employees are more likely to properly secure the premises at the end of every shift.
Commercial ROI and Long Term Value
Purchasing high quality security hardware is a strategic decision. While cheaper alternatives may appear attractive in the short term, they often lead to high replacement cycles, increased maintenance costs, and potential security vulnerabilities. This Union 3G110 5 Detainer Deadlock 73mm Satin (Chubb At Heart) is designed to last for a quarter of a century under normal conditions.
- The 25 year guarantee serves as a testament to the manufacturing standards and the quality of the raw materials used.
- By preventing even a single attempted burglary, the cost of the lock is recovered many times over through avoided asset loss and structural repair costs.
- The finish is highly resistant to tarnishing and wear, which maintains the professional appearance of your building entrances.
- Standardised dimensions make this unit easy to install as a replacement for older, less secure deadlocks.
When you invest in this level of security, you are reducing the administrative overhead associated with property management. You will spend less time coordinating locksmith visits and more time focusing on your core business activities. The peace of mind provided by a trusted brand like Union is an intangible asset that improves the overall value of your commercial or residential property.
Technical Specifications
The following table outlines the precise dimensions and technical parameters of this item. Please ensure that these specifications align with your door's existing mortice preparations before installation.
| Feature | Specification |
|---|---|
| Case Size | 73mm (3 inches) |
| Backset | 44mm |
| Faceplate Dimensions | 178mm x 25mm |
| Case Height | 122mm |
| Bolt Throw | 14mm |
| Fire Rating | EN 1634-1 (60 minute) |
| Case Material | Steel with silver powder coat |
| Forend Finish | Satin chrome plated |
| Key Operation | Detainer mechanism |
Guidance and Support
Selecting the correct hardware for your specific door configuration can be a complex task, especially when dealing with fire rated apertures or high security requirements. If you are not sure if this mortice lock is right for your requirements, please contact our friendly team today. Our experts are always available to discuss your specific installation challenges, provide technical advice, and ensure that you choose the perfect product to meet your security needs.
Whether you are a professional contractor or a homeowner looking to upgrade your front door security, the Union 3G110 5 Detainer Deadlock 73mm Satin (Chubb At Heart) stands as a reliable, high performance choice. With its combination of anti drill features, hardened steel components, and fire safety certification, it offers a comprehensive security solution for any timber door application. Do not leave your security to chance, and choose a product that has been trusted by professionals for generations.
Specification
| Manufacturer | Union |
|---|---|
| Dimensions | 122 (H) x 73 (D) |
| Guarantee | 25 Year |
| Lock Type | Mortice Deadlock |
| Lock Operation | Lever |
| Lock Backset | 44mm |
| Faceplate Width | 25mm |
| Environmental Suitability | All |
| Mechanism | Dead Lock |
| Door Material Suitability | Wood |
| Max Door Thickness (mm) | 50 |
| Forend Finish | Chrome |

